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    • 12. 发明申请
    • DETERMINING MECHANICAL PROPERTIES VIA ULTRASOUND-INDUCED RESONANCE
    • 通过超声波感应谐振测定机械性能
    • WO2016149480A1
    • 2016-09-22
    • PCT/US2016/022844
    • 2016-03-17
    • HEMOSONICS, LLC
    • WALKER, William F.COREY, F. ScottHOMYK, AndrewHIGGINS, TimVIOLA, FrancescoREGAN, FrankFERRANTE, Elisa
    • G01N29/34G01R13/34
    • G01N29/4418G01N29/036G01N29/4436G01N29/4472G01N2291/014G01N2291/02466G01N2291/02818G01N2291/02827
    • A device for estimating a mechanical property of a sample is disclosed herein. The device may include a chamber configured to hold the sample; a transmitter configured to transmit a plurality of waveforms, including at least one forcing waveform; and a transducer assembly operatively connected to the transmitter and configured to transform the transmit waveforms into ultrasound waveforms. The transducer assembly can also transmit and receive ultrasound waveforms into and out of the chamber, as well as transform at least two received ultrasound waveforms into received electrical waveforms. The device also includes a data processor that can receive the received electrical waveforms; estimate a difference in the received electrical waveforms that results at least partially from movement of the sample; and estimate a mechanical property of the sample by comparing at least one feature of the estimated difference to at least one predicted feature, wherein the at least one predicted feature is based on a model of an effect of the chamber wall. Finally, the device can also include a controller configured to control the timing of the ultrasound transmitter and data processor.
    • 这里公开了用于估计样品的机械性能的装置。 该装置可以包括配置成保持样品的腔室; 发射机,被配置为发送包括至少一个强制波形的多个波形; 以及可操作地连接到所述发射器并且被配置为将所述发射波形变换成超声波形的换能器组件 换能器组件还可以将超声波波形发送和接收到腔室中,并且将至少两个接收到的超声波形变换为接收的电波形。 该装置还包括可以接收所接收的电波形的数据处理器; 估计至少部分地导致样品移动的接收电波形的差异; 并且通过将所估计的差异的至少一个特征与至少一个预测特征进行比较来估计样本的机械性质,其中所述至少一个预测特征基于所述室壁的效应的模型。 最后,设备还可以包括配置成控制超声波发射器和数据处理器的定时的控制器。